/*
 * Copyright (c) 2021. Red Hat, Inc. and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.impact.analysis.graph;

public enum ReactivityType {
    POSITIVE,
    NEGATIVE,
    UNKNOWN;

    public ReactivityType negate() {
        switch (this) {
            case POSITIVE: return NEGATIVE;
            case NEGATIVE: return POSITIVE;
        }
        return UNKNOWN;
    }

    public ReactivityType combine(ReactivityType type) {
        return this == type ? this : UNKNOWN;
    }

    public static ReactivityType decode(boolean positive) {
        return positive ? POSITIVE : NEGATIVE;
    }
}
